Fig. C.1.
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Ground-based imaging (R, G, B = Ks, z′, V) of 1.17 mm sources (white contours in 2, 4, 8, 16…×RMS levels). The images are smoothed to a common resolution of 
. The ALMA beam is shown as the white ellipse. Each stamp is 12″ × 12″ in size. The source position is marked by the white cross. Sources without a reliable counterpart are marked with a red ID.
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